Home / 88,276.77-121,822.52-47,990.88

Finding the Fourth Proportional to 88,276.77, 121,822.52 and 47,990.88

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Solution

The fourth proportional to 88,276.77, 121,822.52 and 47,990.88 is: 66,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,276.77 : 121,822.52 = 47,990.88 : x
  2. Step 2: Convert to fraction form
    88,276.77/121,822.52 = 47,990.88/x
  3. Step 3: Cross multiply
    88,276.77x = 121,822.52 × 47,990.88
  4. Step 4: Simplify right side
    88,276.77x = 5,846,369,698.66
  5. Step 5: Solve for x
    x = 5,846,369,698.66/88,276.77
  6. Step 6: Final answer
    x = 66,227.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.